20236073 has 8 divisors (see below), whose sum is σ = 23774016. Its totient is φ = 16981200.

The previous prime is 20236061. The next prime is 20236081. The reversal of 20236073 is 37063202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20236073 - 2¹² = 20231977 is a prime.

It is a super-2 number, since 2×20236073² = 818997300922658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20236033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70613 + ... + 70898.

It is an arithmetic number, because the mean of its divisors is an integer number (2971752).

Almost surely, 2^20236073 is an apocalyptic number.

It is an amenable number.

20236073 is a deficient number, since it is larger than the sum of its proper divisors (3537943).

20236073 is a wasteful number, since it uses less digits than its factorization.

20236073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141535.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 20236073 is about 4498.4522893991. The cubic root of 20236073 is about 272.5055880794.

Adding to 20236073 its reverse (37063202), we get a palindrome (57299275).

The spelling of 20236073 in words is "twenty million, two hundred thirty-six thousand, seventy-three".